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Finding the Fourth Proportional to 25,643.59, 38,460.74 and 6,919.29

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Solution

The fourth proportional to 25,643.59, 38,460.74 and 6,919.29 is: 10,377.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,643.59 : 38,460.74 = 6,919.29 : x
  2. Step 2: Convert to fraction form
    25,643.59/38,460.74 = 6,919.29/x
  3. Step 3: Cross multiply
    25,643.59x = 38,460.74 × 6,919.29
  4. Step 4: Simplify right side
    25,643.59x = 266,120,979.08
  5. Step 5: Solve for x
    x = 266,120,979.08/25,643.59
  6. Step 6: Final answer
    x = 10,377.68

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